html{
    padding: 0;
    margin: 0;
    background-color: rgba(0, 0, 0, 0.1);
}
body{
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    
}
#app{
    background-color: white;
    width: 960px;
    min-height: 360px;
    display: flex;
    justify-content: space-between;
    box-sizing: content-box;
    .left{
        box-sizing: content-box;
        width: 500px;
        fieldset{
            width: 100%;
            display: flex;
            align-items: center;
            *{
                margin-right: 10px;
            }
            .status{
                font-size: 12px;
                color: rgba(0, 0, 0, 0.5);
            }
        }
        textarea{
            width: 521px;
            margin-top: 10px;
            height: 200px;
        }
    }
    .right{
        width: 400px;
        height: 100px;
        background-color: black;
        padding: 10px;
        color: white;
    }
    
}